annotate src/os/unix/ngx_aio_write_chain.c @ 506:b9fdcaf2062b NGINX_0_7_65

nginx 0.7.65 *) Security: now nginx/Windows ignores trailing spaces in URI. Thanks to Dan Crowley, Core Security Technologies. *) Security: now nginx/Windows ignores short files names. Thanks to Dan Crowley, Core Security Technologies. *) Change: now the "009" status code is written to an access log for proxied HTTP/0.9 responses. *) Change: now the default buffer size of the "large_client_header_buffers" directive is 8K. Thanks to Andrew Cholakian. *) Change: now default SSL ciphers are "HIGH:!ADH:!MD5". *) Change: now SSLv2 protocol is disabled by default. *) Change: now $host variable value is always low case. *) Feature: the conf/fastcgi.conf for simple FastCGI configurations. *) Feature: now URI part is not required a "proxy_pass" directive if variables are used. *) Feature: the $ssl_session_id variable. *) Bugfix: if a proxied or FastCGI request was internally redirected to another proxied or FastCGI location, then $upstream_response_time variable may have abnormally large value; the bug had appeared in 0.7.63. *) Bugfix: if the "expires modified" set date in the past, then a negative number was set in the "Cache-Control" response header line. Thanks to Alex Kapranoff. *) Bugfix: nginx closed a connection if a cached response had an empty body. Thanks to Piotr Sikora. *) Bugfix: nginx cached a 304 response if there was the "If-None-Match" header line in a proxied request. Thanks to Tim Dettrick and David Kostal. *) Bugfix: nginx did not treat a comma as separator in the "Cache-Control" backend response header line. *) Bugfix: cached HTTP/0.9 responses were handled incorrectly. *) Bugfix: nginx sent gzipped responses to clients those do not support gzip, if "gzip_static on" and "gzip_vary off"; the bug had appeared in 0.8.16. *) Bugfix: nginx always added "Content-Encoding: gzip" response header line in 304 responses sent by ngx_http_gzip_static_module. *) Bugfix: the "!-x" operator did not work. Thanks to Maxim Dounin. *) Bugfix: a segmentation fault might occur in a worker process, if limit_rate was used in HTTPS server. Thanks to Maxim Dounin. *) Bugfix: a segmentation fault might occur in a worker process while $limit_rate logging. Thanks to Maxim Dounin. *) Bugfix: nginx did not support dates in 2038 year on 32-bit platforms; *) Bugfix: nginx/Windows tried to delete a temporary file twice if the file should replace an already existent file. *) Bugfix: nginx/Windows tried to rename a temporary file twice if the file should replace an already existent file. *) Bugfix: nginx/Windows might not create temporary file, a cache file, or "proxy/fastcgi_store"d file if a worker had no enough access rights for top level directories. *) Bugfix: in UTF-8 encoding support by "try_files" directive in nginx/Windows. *) Bugfix: UTF-8 encoding usage in the ngx_http_autoindex_module. Thanks to Maxim Dounin. *) Bugfix: the ngx_http_autoindex_module did not show the trailing slash in links to a directory; the bug had appeared in 0.7.15. *) Bugfix: nginx did not close a log file set by the --error-log-path configuration option; the bug had appeared in 0.7.53. *) Bugfix: "addition_types" directive was incorrectly named "addtion_types". *) Bugfix: invalid request line in $request variable was written in access_log only if error_log was set to "info" or "debug" level.
author Igor Sysoev <http://sysoev.ru>
date Mon, 01 Feb 2010 00:00:00 +0000
parents f7cd062ee035
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
1
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
2 /*
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
3 * Copyright (C) Igor Sysoev
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
4 */
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
5
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
6
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
7 #include <ngx_config.h>
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
8 #include <ngx_core.h>
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
9 #include <ngx_event.h>
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
10 #include <ngx_aio.h>
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
11
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
12
126
df17fbafec8f nginx 0.3.10
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
13 ngx_chain_t *
df17fbafec8f nginx 0.3.10
Igor Sysoev <http://sysoev.ru>
parents: 50
diff changeset
14 ngx_aio_write_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
15 {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
16 u_char *buf, *prev;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
17 off_t send, sent;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
18 size_t len;
10
46833bd150cb nginx 0.1.5
Igor Sysoev <http://sysoev.ru>
parents: 0
diff changeset
19 ssize_t n, size;
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
20 ngx_chain_t *cl;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
21
22
8b6db3bda591 nginx 0.1.11
Igor Sysoev <http://sysoev.ru>
parents: 10
diff changeset
22 /* the maximum limit size is the maximum size_t value - the page size */
8b6db3bda591 nginx 0.1.11
Igor Sysoev <http://sysoev.ru>
parents: 10
diff changeset
23
324
f7cd062ee035 nginx 0.6.6
Igor Sysoev <http://sysoev.ru>
parents: 126
diff changeset
24 if (limit == 0 || limit > (off_t) (NGX_MAX_SIZE_T_VALUE - ngx_pagesize)) {
26
45fe5b98a9de nginx 0.1.13
Igor Sysoev <http://sysoev.ru>
parents: 22
diff changeset
25 limit = NGX_MAX_SIZE_T_VALUE - ngx_pagesize;
22
8b6db3bda591 nginx 0.1.11
Igor Sysoev <http://sysoev.ru>
parents: 10
diff changeset
26 }
8b6db3bda591 nginx 0.1.11
Igor Sysoev <http://sysoev.ru>
parents: 10
diff changeset
27
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
28 send = 0;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
29 sent = 0;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
30 cl = in;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
31
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
32 while (cl) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
33
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
34 if (cl->buf->pos == cl->buf->last) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
35 cl = cl->next;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
36 continue;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
37 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
38
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
39 /* we can post the single aio operation only */
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
40
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
41 if (!c->write->ready) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
42 return cl;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
43 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
44
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
45 buf = cl->buf->pos;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
46 prev = buf;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
47 len = 0;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
48
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
49 /* coalesce the neighbouring bufs */
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
50
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
51 while (cl && prev == cl->buf->pos && send < limit) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
52 if (ngx_buf_special(cl->buf)) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
53 continue;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
54 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
55
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
56 size = cl->buf->last - cl->buf->pos;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
57
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
58 if (send + size > limit) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
59 size = limit - send;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
60 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
61
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
62 len += size;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
63 prev = cl->buf->pos + size;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
64 send += size;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
65 cl = cl->next;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
66 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
67
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
68 n = ngx_aio_write(c, buf, len);
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
69
10
46833bd150cb nginx 0.1.5
Igor Sysoev <http://sysoev.ru>
parents: 0
diff changeset
70 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0, "aio_write: %z", n);
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
71
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
72 if (n == NGX_ERROR) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
73 return NGX_CHAIN_ERROR;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
74 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
75
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
76 if (n > 0) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
77 sent += n;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
78 c->sent += n;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
79 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
80
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
81 ngx_log_debug1(NGX_LOG_DEBUG_EVENT, c->log, 0,
10
46833bd150cb nginx 0.1.5
Igor Sysoev <http://sysoev.ru>
parents: 0
diff changeset
82 "aio_write sent: %O", c->sent);
0
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
83
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
84 for (cl = in; cl; cl = cl->next) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
85
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
86 if (sent >= cl->buf->last - cl->buf->pos) {
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
87 sent -= cl->buf->last - cl->buf->pos;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
88 cl->buf->pos = cl->buf->last;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
89
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
90 continue;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
91 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
92
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
93 cl->buf->pos += sent;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
94
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
95 break;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
96 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
97 }
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
98
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
99 return cl;
f0b350454894 nginx 0.1.0
Igor Sysoev <http://sysoev.ru>
parents:
diff changeset
100 }